(19)

(11)

EP 3 908 948 A1

(12)

(43) Date of publication: 17.11.2021 Bulletin 2021/46 (21) Application number: 19925366.7 (22) Date of filing: 18.04.2019

(51) International Patent Classification (IPC):  G06F 21/57(2013.01) H04L 9/32(2006.01) G06F 21/60(2013.01) (52) Cooperative Patent Classification (CPC): G06F 21/57; G06F 21/64; H04L 9/3242 (86) International application number: PCT/US2019/028060 (87) International publication number: WO 2020/214174 (22.10.2020 Gazette 2020/43)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Hewlett-Packard Development Company, L.P. Spring TX 77389 (US)	(72) Inventors: BEHNCK, Edson Schardosim 90619-900 Porto Alegre (BR) FERREIRA, Ronaldo Rodrigues 90619-900 Porto Alegre (BR) PRAUCHNER, Joao Luis 90619-900 Porto Alegre (BR) CIOCARI, Juliano Francisco Cagnini 90619-900 Porto Alegre (BR) (74) Representative: EIP  Fairfax House 15 Fulwood Place London WC1V 6HU London WC1V 6HU (GB)